CN107706500B - Antenna device - Google Patents
Antenna device Download PDFInfo
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- CN107706500B CN107706500B CN201711174494.5A CN201711174494A CN107706500B CN 107706500 B CN107706500 B CN 107706500B CN 201711174494 A CN201711174494 A CN 201711174494A CN 107706500 B CN107706500 B CN 107706500B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/125—Means for positioning
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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Abstract
An antenna device comprises a bearing plate and a chip antenna, wherein a coupling quantity adjusting component and a signal transmission conductor are arranged in the bearing plate, the coupling quantity adjusting component comprises a grounding guide plate and a coupling conductor, the grounding guide plate is arranged at the top angle of the bearing plate, the coupling conductor is electrically connected with the chip antenna, the signal transmission conductor comprises a transmission guide plate and a convex block, a limiting part and a connecting hole are arranged on one side of the bearing plate facing the chip antenna, the chip antenna is arranged in the limiting part, a positioning through hole is arranged on the limiting part, a transmitting conductor unit is arranged in the chip antenna, and the transmitting conductor unit is electrically connected with the transmission guide plate. The signal transmission efficiency of the antenna device is improved.
Description
Technical Field
The present invention relates to the field of antenna technologies, and in particular, to an antenna device.
Background
In recent years, various types of wireless communication apparatuses include: the smart phone, the tablet computer, the personal wireless navigation, the portable player, etc. all integrate all the communication functions in the device at present, the antenna device is one of the most important components in the wireless communication device as a part for receiving and transmitting radio signals through radio waves, and the antenna device is widely liked by people with the advantages of small volume, stable signal transmission, strong anti-interference capability, etc., but the requirement of people on the signal transmission efficiency of the antenna device is higher and higher due to the rapid development of the wireless communication system.
The conventional antenna device comprises an antenna chip and a bearing plate electrically connected with the antenna chip, wherein the antenna chip is electrically connected with the bearing plate through a data wire so as to ensure the signal receiving and transmitting functions of the antenna device.
The existing antenna device is electrically connected by a single data wire, so that when level fluctuation changes on a chip antenna or a bearing plate, the stability of antenna signal transmission in an antenna chip and in the bearing plate can not be well maintained, and further the transmission efficiency of the antenna signal is reduced.
Disclosure of Invention
The invention aims to provide an antenna device with high antenna signal transmission efficiency.
An antenna device comprises a bearing plate and a chip antenna arranged on the bearing plate, wherein a coupling quantity adjusting component and a signal transmission conductor which are electrically connected with the chip antenna respectively are arranged in the bearing plate, the coupling quantity adjusting component is used for adjusting the coupling quantity in the chip antenna, the signal transmission conductor is used for transmitting an antenna signal in the chip antenna, the coupling quantity adjusting component comprises a grounding guide plate and a coupling conductor which is electrically connected with the grounding guide plate, the grounding guide plate is arranged at the top angle of the bearing plate, and the coupling conductor is electrically connected with the chip antenna;
the one end of signal transmission conductor with the lateral wall of loading board is connected, the other end perpendicular dorsad with the lateral wall that the loading board is connected extends, signal transmission conductor includes transmission baffle and protruding piece, protruding piece is located the transmission baffle dorsad one side of chip antenna, the loading board orientation be equipped with a spacing portion and connecting hole on one side of chip antenna, the connecting hole is used for signal transmission conductor with the connection of chip antenna, the chip antenna is located in the spacing portion, be equipped with positioning hole in the spacing portion, positioning hole is used for right the chip antenna is fixed a position, be equipped with the transmitting conductor unit in the chip antenna, transmitting conductor unit with transmission baffle electric connection.
The antenna device can effectively adjust the coupling quantity in the antenna device through the design of the coupling quantity adjusting component, prevents the phenomenon of level fluctuation caused by too large or too small coupling quantity, further improves the signal transmission efficiency of the antenna device, ensures the signal transmission and sending functions of the antenna device through the design of the signal transmission conductor, effectively prevents the electric leakage phenomenon caused by the reduction of the insulation property of the shell of the chip antenna through the design of the grounding guide plate, further improves the signal transmission efficiency of the antenna device, plays a role of a channel for the output and sending of antenna signals through the design of the transmission guide plate, ensures the stability of the antenna signal transmission in the antenna device, and increases the bandwidth of the transmission guide plate through the design of the convex block, and then improved antenna device's signal transmission and send function, through the design of spacing portion, effectual right the chip antenna has played spacing effect, and then has improved the chip antenna with the stability of structure between the loading board, through positioning hole's design, effectual right the chip antenna has played the effect of location, and then improved the chip antenna with the equipment location efficiency between the loading board.
Furthermore, a tuning part is arranged on the signal transmission conductor, the tuning part is arranged at the tail end of the signal transmission conductor and is vertical to the side edge of the signal transmission conductor, the tuning part is used for tuning the frequency characteristic of the chip antenna, the tuning part comprises an insulating plate vertical to the transmission guide plate and a tuning grounding plate connected with the insulating plate, and the tail end of the tuning grounding plate is grounded;
the frequency characteristics of the chip antenna can be effectively tuned through the design of the tuning part, so that the frequency characteristics of the chip antenna are diversified, the interference between the tuning ground plate and the transmission guide plate is prevented through the design of the insulating plate, and the stability of the antenna device is improved.
Furthermore, a fixing groove is formed in one side, facing the bearing plate, of the chip antenna, and the transmitting conductor unit is arranged in the fixing groove;
through the design of the fixing groove, the position of the transmitting conductor unit is prevented from moving, so that the stability of the structure between the transmitting conductor unit and the chip antenna is improved, and the stability of the whole structure of the antenna device is further improved.
Furthermore, a buffer component is arranged on one side, back to the chip antenna, of the free tail end of the signal transmission conductor, the buffer component is made of a spring group or a hydraulic buffer, and the buffer component is used for contact buffering between the transmitting conductor unit and the transmission guide plate;
wherein, through the design of buffering subassembly, prevented because the transmission conductor unit with because the damage that contact pressure too big leads to between the transmission baffle has improved life, just buffering subassembly is right the transmission baffle has played the effect of support, has ensured the transmission baffle with electric connection between the transmission conductor unit has improved antenna device's antenna signal transmission efficiency.
Furthermore, a bearing pad is arranged in the range of the limiting part area, a grounding conductor is arranged on one side of the bearing pad, which is back to the chip antenna, and the grounding conductor is used for balancing the level of the bottom of the chip antenna;
the design of the bearing pad improves the stability of the structure between the bearing plate and the antenna chip, further ensures the stability of the structure of the antenna device, and effectively balances the voltage of the bottom of the chip antenna by the design of the grounding conductor, thereby preventing the electric leakage phenomenon between the chip antenna and the bearing plate and further improving the signal transmission efficiency of the antenna device.
Furthermore, the grounding conductor comprises a body and conductive discs respectively arranged at two ends of the body, and the conductive discs on the grounding conductor back to the limiting part are connected with the ground;
through the design of the body, the conductive disc is effectively supported, the voltage transmission effect of the grounding conductor is guaranteed through the design of the conductive disc, and then the leakage voltage at the bottom of the chip antenna is effectively balanced.
Furthermore, a plurality of grounding conductors are arranged on two sides of the signal transmission conductor, and a connecting line of bottom center points of the grounding conductors on the same side is parallel to the side edge of the signal transmission conductor;
the signal transmission conductor is provided with a plurality of grounding conductors on two sides, so that the signal transmission conductor is prevented from generating electric leakage in the signal transmission process, the working efficiency of the signal transmission conductor is further ensured, and the signal transmission efficiency of the antenna device is improved.
Furthermore, at least one voltage stabilizing hole is arranged on the conductive disc and used for stabilizing the voltage on the grounding conductor;
through the design of the voltage stabilizing hole, the voltage stabilizing effect is effectively achieved on the conductive disc, the conductive disc is prevented from being damaged due to overlarge voltage, and the service life of the conductive disc is prolonged.
Furthermore, a conductive column and a first level pad are respectively arranged inside the chip antenna and on one side facing the loading board, one end of the conductive column is electrically connected with the transmitting conductor unit, the other end of the conductive column is electrically connected with the first level pad, and the first level pad is electrically connected with the signal transmission conductor;
through the design of the conductive column and the first level bonding pad, the transmitting conductor unit is electrically connected with the signal transmission conductor effectively, the transmitting conductor unit is prevented from being damaged due to the fact that the transmitting conductor unit is arranged outside the chip antenna, and the service life of the transmitting conductor unit is prolonged.
Furthermore, a second level pad and a third level pad are further arranged on one side of the chip antenna facing the bearing plate, the second level pad and the third level pad are respectively arranged on two sides of the first pad, and the second level pad and the third level pad are respectively electrically connected with the coupling conductor;
the antenna chip is electrically connected with the bearing plate, the coupling quantity adjusting assembly is electrically connected with the coupling conductor, and the coupling quantity adjusting assembly is electrically connected with the bearing plate.
Drawings
Fig. 1 is a schematic structural diagram of an antenna device according to a first embodiment of the present invention;
FIG. 2 is an exploded view of the antenna assembly of FIG. 1;
FIG. 3 is a schematic diagram of a backside structure of the chip antenna in FIG. 2;
FIG. 4 is a schematic structural view of the carrier plate shown in FIG. 2;
FIG. 5 is a schematic diagram of the construction of the signal transmission conductors of FIG. 4;
FIG. 6 is a schematic structural diagram of a carrier plate according to a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a carrier plate according to a third embodiment of the present invention;
FIG. 8 is a schematic diagram of the structure of the ground conductor of FIG. 7;
FIG. 9 is a schematic structural diagram of a carrier plate according to a fourth embodiment of the present invention;
fig. 10 is a schematic structural view of a signal transmission conductor according to a fifth embodiment of the present invention;
fig. 11 is a schematic structural diagram of a chip antenna according to a sixth embodiment of the present invention;
fig. 12 is a schematic structural diagram of a chip antenna according to a seventh embodiment of the present invention.
Description of the main element symbols:
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, an antenna device 100 according to a first embodiment of the present invention includes a carrier 10 and a chip antenna 20 disposed on the carrier 10, where the carrier 10 is of a square structure for supporting and fixing the chip antenna 20, so as to prevent the chip antenna 20 from being damaged, prolong the service life of the chip antenna 20 and improve the structural stability of the antenna device 100, a coupling amount adjusting component 12 and a signal transmission conductor 11 are disposed in the carrier 10 and electrically connected to the chip antenna 20, respectively, the coupling amount adjusting component 12 is used for adjusting the coupling amount in the chip antenna 20, the signal transmission conductor 11 is used for transmitting an antenna signal in the chip antenna 20, an insulating sleeve 23 is disposed outside the chip antenna 20, and the insulating sleeve 23 is used for insulating the housing of the chip antenna 20, the leakage of the chip antenna 20 is prevented, thereby improving the safety of the antenna device 100.
Referring to fig. 4, the coupling amount adjusting assembly 12 includes a ground plate 121 and a coupling conductor 122 electrically connected to the ground plate 121, the ground plate 121 is disposed at a vertex angle of the carrier 10, and the coupling amount adjusting assembly 12 is configured to adjust the coupling strength of the electric field in the chip antenna 20, so as to widen the frequency band matched between the power supply line and the signal transmission conductor 11.
Preferably, in this embodiment, the number of the ground plates 121 is four, the ground plates 121 are respectively disposed in four vertex angles of the carrier plate 10, and the top of the ground plates are fixedly connected to the vertex angles of the carrier plate 10, the coupling conductor 122 is electrically connected to the chip antenna 20, the coupling conductor 122 and the ground plates 121 are both made of a metal with a conductive effect, so as to ensure a coupling adjustment effect on the chip antenna 20, when the circuit in the chip antenna 20 and the power supply circuit in the carrier plate 10 are coupled, the coupling adjustment assembly 12 is configured to prevent voltage fluctuation caused by voltage variation in the coupling process, thereby improving the signal transmission efficiency of the antenna device 100.
Specifically, when the width direction of the coupling amount adjustment member 12 is a direction parallel to the direction of the current flowing through the signal transmission conductor 11, the electric field coupling strength between the signal transmission conductor 11 and the chip antenna 20 can be adjusted by changing the width dimension of the coupling amount adjustment member 12. In addition, when the longitudinal direction of the coupling amount adjustment unit 12 is orthogonal to the direction of the current flowing through the signal transmission conductor 11, the resonant frequency of the current can be adjusted by changing the length dimension of the coupling amount adjustment unit 12.
Specifically, when the antenna device 100 is used for an excessively long time or is damaged, the ground plate 121 prevents the insulation performance from being reduced, so that the metal shell of the antenna device 100 is prevented from being charged, the electronic components in the antenna device 100 are prevented from being damaged, and the transmission efficiency of the antenna signal is improved.
Referring to fig. 2 and fig. 5, which are schematic structural diagrams of the signal transmission conductor in fig. 4, one end of the signal transmission conductor 11 is connected to the side wall of the carrier 10, and the other end extends perpendicularly away from the side wall connected to the carrier 10, the signal transmission conductor 11 includes a transmission guide plate 111 and a protrusion block 112, the protrusion block 112 is disposed on a side of the transmission guide plate 111 facing away from the chip antenna 20, the protrusion block 112 protrudes away from the transmission conductor 11, the protrusion block 112 extends the transmission guide plate 111 in the perpendicular direction to increase the bandwidth of the transmission guide plate 111, so as to improve the signal transmission and transmission functions of the antenna device 100, a position-limiting portion 30 and a connection hole 13 are disposed on a side of the carrier 10 facing the chip antenna 20, and the connection hole 13 is used for connecting the signal transmission conductor 11 and the chip antenna 20, the chip antenna 20 is arranged in the limiting portion 30, a positioning through hole 31 is arranged on the limiting portion 30, the positioning through hole 31 is used for positioning the chip antenna 20, a transmitting conductor unit 22 is arranged in the chip antenna 20, and the transmitting conductor unit 22 is electrically connected with the transmission guide plate 111.
Referring to fig. 3, a fixing groove 21 is formed on one side of the chip antenna 20 facing the carrier plate 10, and the transmitting conductor unit 22 is disposed in the fixing groove 21, wherein the fixing groove 21 prevents the position of the transmitting conductor unit 22 from moving, so as to improve the stability of the structure between the transmitting conductor unit 22 and the chip antenna 20, and further improve the stability of the overall structure of the antenna device 100.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 6, which is a schematic structural diagram of a carrier board 10 according to a second embodiment of the present invention, the carrier board 10 adopts a square structure to perform a supporting and fixing function on the chip antenna 20, so as to prevent the chip antenna 20 from being damaged, improve the service life of the chip antenna 20 and improve the structural stability of the antenna device 100, the carrier plate 10 is provided therein with a coupling amount adjusting assembly 12 and a signal transmission conductor 11 electrically connected to the chip antenna 20, the coupling amount adjusting component 12 is used for adjusting the coupling amount in the chip antenna 20, the signal transmission conductor 11 is used for transmitting the antenna signal in the chip antenna 20, an insulating sleeve 23 is arranged outside the chip antenna 20, and the insulating sleeve 23 is used for insulating the shell of the chip antenna 20, so that electric leakage of the chip antenna 20 is prevented, and the safety performance of the antenna device 100 is improved.
The coupling amount adjusting assembly 12 includes a ground plate 121 and a coupling conductor 122 electrically connected to the ground plate 121, the grounding plates 121 are disposed at the top corners of the carrier plate 10, preferably, the number of the grounding plates 121 in this embodiment is four, the grounding plates are respectively disposed in the four top corners of the carrier plate 10, and the top of the grounding plates are fixedly connected with the top corners of the carrier plate 10, the coupling conductor 122 is electrically connected to the chip antenna 20, the coupling conductor 122 and the ground plate 121 are made of conductive metal, thereby ensuring the coupling adjustment effect of the chip antenna 20, when the circuit in the chip antenna 20 is coupled with the power supply circuit in the carrier plate 10, the coupling amount adjusting unit 12 serves to prevent voltage fluctuation due to a change in voltage during coupling, thereby improving signal transmission efficiency of the antenna device 100.
A buffer component 14 is arranged on a side of the free end of the signal transmission conductor 11, which faces away from the chip antenna 20, the buffer component 14 is made of a spring set or a hydraulic buffer, and the buffer component 14 is used for contact buffering between the transmitting conductor unit 22 and the transmission guide plate 111.
The design of the buffer assembly 14 prevents the transmission guide plate 111 from being damaged due to an excessive contact pressure between the transmission conductor unit 22 and the transmission guide plate 111, so that the service life of the antenna device is prolonged, and the buffer assembly 14 supports the transmission guide plate 111, thereby ensuring the electrical connection between the transmission guide plate 111 and the transmission conductor unit 22 and improving the antenna signal transmission efficiency of the antenna device 100.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 7, which is a schematic structural diagram of a carrier board 10 according to a third embodiment of the present invention, the carrier board 10 adopts a square structure to perform a supporting and fixing function on the chip antenna 20, so as to prevent the chip antenna 20 from being damaged, improve the service life of the chip antenna 20 and improve the structural stability of the antenna device 100, the carrier plate 10 is provided therein with a coupling amount adjusting assembly 12 and a signal transmission conductor 11 electrically connected to the chip antenna 20, the coupling amount adjusting component 12 is used for adjusting the coupling amount in the chip antenna 20, the signal transmission conductor 11 is used for transmitting the antenna signal in the chip antenna 20, an insulating sleeve 23 is arranged outside the chip antenna 20, and the insulating sleeve 23 is used for insulating the shell of the chip antenna 20, so that electric leakage of the chip antenna 20 is prevented, and the safety performance of the antenna device 100 is improved.
The coupling amount adjusting assembly 12 includes a ground plate 121 and a coupling conductor 122 electrically connected to the ground plate 121, the grounding plates 121 are disposed at the top corners of the carrier plate 10, preferably, the number of the grounding plates 121 in this embodiment is four, the grounding plates are respectively disposed in the four top corners of the carrier plate 10, and the top of the grounding plates are fixedly connected with the top corners of the carrier plate 10, the coupling conductor 122 is electrically connected to the chip antenna 20, the coupling conductor 122 and the ground plate 121 are made of conductive metal, thereby ensuring the coupling adjustment effect of the chip antenna 20, when the circuit in the chip antenna 20 is coupled with the power supply circuit in the carrier plate 10, the coupling amount adjusting unit 12 serves to prevent voltage fluctuation due to a change in voltage during coupling, thereby improving signal transmission efficiency of the antenna device 100.
A bearing pad 15 is arranged in the area range of the limiting portion 30, a grounding conductor 16 is arranged on one side of the bearing pad 15, which is opposite to the chip antenna 20, and the grounding conductor 16 is used for balancing the level of the bottom of the chip antenna 20.
Through the design of the bearing pad 15, the structural stability between the bearing plate 10 and the antenna chip 20 is improved, the structural stability of the antenna device 100 is further guaranteed, and through the design of the grounding conductor 16, the voltage at the bottom of the chip antenna 20 is effectively balanced, the electric leakage phenomenon between the chip antenna 20 and the bearing plate 10 is prevented, and the signal transmission efficiency of the antenna device 100 is improved.
Please refer to fig. 8, which is a schematic structural diagram of the ground conductor 16 in fig. 7, in which the ground conductor 16 includes a body 161 and conductive pads 162 respectively disposed at two ends of the body 161, and the conductive pad 162 of the ground conductor 16 facing away from the limiting portion 30 is connected to ground, wherein the conductive pad 162 is effectively supported by the design of the body 161, and the voltage transmission effect of the ground conductor 16 is ensured by the design of the conductive pad 162, so as to effectively balance the leakage voltage at the bottom of the chip antenna 20.
The conductive plate 162 is provided with at least one voltage stabilizing hole 163, and the voltage stabilizing hole 163 is used for stabilizing the voltage on the grounding conductor 16, wherein the design of the voltage stabilizing hole 163 effectively plays a role in stabilizing the voltage of the conductive plate 162, so that the damage of the conductive plate 162 caused by the overlarge voltage is prevented, the service life of the conductive plate 162 is prolonged, the body 161 is provided with a plurality of conductive grooves 164, and the damage of the body 161 caused by the overlarge conductive voltage is prevented by the design of the conductive grooves 164, so that the service life of the grounding conductor 16 is prolonged.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 9, which is a schematic structural diagram of a carrier board 10 according to a fourth embodiment of the present invention, the carrier board 10 adopts a square structure to perform a supporting and fixing function on the chip antenna 20, so as to prevent the chip antenna 20 from being damaged, improve the service life of the chip antenna 20 and improve the structural stability of the antenna device 100, the carrier plate 10 is provided therein with a coupling amount adjusting assembly 12 and a signal transmission conductor 11 electrically connected to the chip antenna 20, the coupling amount adjusting component 12 is used for adjusting the coupling amount in the chip antenna 20, the signal transmission conductor 11 is used for transmitting the antenna signal in the chip antenna 20, an insulating sleeve 23 is arranged outside the chip antenna 20, and the insulating sleeve 23 is used for insulating the shell of the chip antenna 20, so that electric leakage of the chip antenna 20 is prevented, and the safety performance of the antenna device 100 is improved.
The coupling amount adjusting assembly 12 includes a ground plate 121 and a coupling conductor 122 electrically connected to the ground plate 121, the grounding plates 121 are disposed at the top corners of the carrier plate 10, preferably, the number of the grounding plates 121 in this embodiment is four, the grounding plates are respectively disposed in the four top corners of the carrier plate 10, and the top of the grounding plates are fixedly connected with the top corners of the carrier plate 10, the coupling conductor 122 is electrically connected to the chip antenna 20, the coupling conductor 122 and the ground plate 121 are made of conductive metal, thereby ensuring the coupling adjustment effect of the chip antenna 20, when the circuit in the chip antenna 20 is coupled with the power supply circuit in the carrier plate 10, the coupling amount adjusting unit 12 serves to prevent voltage fluctuation due to a change in voltage during coupling, thereby improving signal transmission efficiency of the antenna device 100.
A plurality of grounding conductors 16 are arranged on two sides of the signal transmission conductor 11, and a connecting line of bottom center points of the grounding conductors 16 on the same side is parallel to a side edge of the signal transmission conductor 11.
Due to the design that the plurality of grounding conductors 16 are arranged on the two sides of the signal transmission conductor 11, the signal transmission conductor 11 is prevented from generating an electric leakage phenomenon in the signal transmission process, the working efficiency of the signal transmission conductor 11 is further guaranteed, and the signal transmission efficiency of the antenna device 100 is improved.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 10, which is a schematic structural diagram of a signal transmission conductor 11 according to a fifth embodiment of the present invention, a tuning portion is disposed on the signal transmission conductor 11, the tuning portion is disposed at a terminal of the signal transmission conductor 11, and is perpendicular to a side of the signal transmission conductor 11, the tuning portion is used for tuning a frequency characteristic of the chip antenna 20, the tuning portion includes an insulating plate 113 perpendicular to the transmission guide plate 111 and a tuning ground plate 114 connected to the insulating plate 113, and a terminal of the tuning ground plate 114 is grounded.
The design of the tuning part can effectively tune the frequency characteristics of the chip antenna 20, so that the frequency characteristics of the chip antenna 20 are diversified, and the tuning pattern part can have at least one bend to keep a certain length. The tuning ground plate 114 is capacitively coupled to the chip antenna 20, so that the frequency characteristics of the antenna are changed by adjusting the length of the tuning ground plate 114 and the adjustment part, and the design of the insulating plate 113 prevents interference between the tuning ground plate 114 and the transmission guide plate 111, thereby improving the stability of the antenna device 100, and the tuning part can easily tune the frequency characteristics required for the chip antenna 20 to be mounted in a corresponding mobile communication terminal. That is, the length of the tuning ground plate 114 and the adjustment portion as a whole can be adjusted to change the resonance frequency of the chip antenna 20 without newly producing the chip antenna 20 having different frequency characteristics.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 11, which is a schematic structural diagram of a chip antenna 20 according to a sixth embodiment of the present invention, a conductive pillar 25 and a first level pad 24 are respectively disposed inside the chip antenna 20 and on a side facing the carrier board 10, one end of the conductive pillar 25 is electrically connected to the transmitting conductor unit 22, the other end of the conductive pillar is electrically connected to the first level pad 24, and the first level pad 24 is electrically connected to the signal transmitting conductor 11;
by the design of the conductive pillar 25 and the first level pad 24, the transmitting conductor unit 22 is electrically connected to the signal transmission conductor 11, so that the transmitting conductor unit 22 is prevented from being damaged by being disposed outside the chip antenna 20, and the service life of the transmitting conductor unit 22 is prolonged.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
Referring to fig. 12, which is a schematic structural diagram of a chip antenna 20 according to a seventh embodiment of the present invention, further, a second level pad 26 and a third level pad 27 are further disposed on a side of the chip antenna 20 facing the carrier board 10, the second level pad 26 and the third level pad 27 are respectively disposed on two sides of the first pad 24, and the second level pad 26 and the third level pad 27 are respectively electrically connected to the coupling conductor 122.
The stability of the structure between the antenna chip 20 and the carrier board 10 is further improved by the design of the second level pads 26 and the third level pads 27, and the coupling adjustment efficiency of the coupling amount adjustment assembly 12 is improved by the design of electrical connection with the coupling conductor 122, so that the signal transmission efficiency of the antenna device 100 is improved.
In this embodiment, the coupling amount adjusting assembly 12 is designed to effectively adjust the coupling amount in the antenna device 100, so as to prevent the fluctuation of the level caused by too large or too small coupling amount, and further improve the signal transmission efficiency of the antenna device 100, the signal transmission and transmission functions of the antenna device 100 are ensured by the design of the signal transmission conductor 11, the leakage phenomenon caused by the reduction of the insulation property of the housing of the chip antenna 20 is effectively prevented by the design of the ground plate 121, and further improve the signal transmission efficiency of the antenna device 100, the transmission plate 111 is designed to serve as a channel for the output and transmission of the antenna signal, so as to ensure the stability of the antenna signal transmission in the antenna device 100, and the design of the protruding block 112, the bandwidth of the transmission guide plate 111 is increased, so that the signal transmission and sending functions of the antenna device 100 are improved, the design of the limiting part 30 effectively limits the chip antenna 20, so that the structural stability between the chip antenna 20 and the bearing plate 10 is improved, the design of the positioning through hole 31 effectively positions the chip antenna 20, and the assembly positioning efficiency between the chip antenna 20 and the bearing plate 10 is improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An antenna device comprises a bearing plate and a chip antenna arranged on the bearing plate, and is characterized in that a coupling quantity adjusting assembly and a signal transmission conductor which are electrically connected with the chip antenna respectively are arranged in the bearing plate, the coupling quantity adjusting assembly is used for adjusting the coupling quantity in the chip antenna, the signal transmission conductor is used for transmitting an antenna signal in the chip antenna, the coupling quantity adjusting assembly comprises a grounding guide plate and a coupling conductor which is electrically connected with the grounding guide plate, the grounding guide plate is arranged at the top angle of the bearing plate, and the coupling conductor is electrically connected with the chip antenna;
the one end of signal transmission conductor with the lateral wall of loading board is connected, the other end perpendicular dorsad with the lateral wall that the loading board is connected extends, signal transmission conductor includes transmission baffle and protruding piece, protruding piece is located the transmission baffle dorsad one side of chip antenna, the loading board orientation be equipped with spacing portion and connecting hole on one side of chip antenna, the connecting hole is used for signal transmission conductor with the connection of chip antenna, the chip antenna is located in the spacing portion, be equipped with positioning hole in the spacing portion, positioning hole is used for right the chip antenna is fixed a position, be equipped with the transmitting conductor unit in the chip antenna, transmitting conductor unit with transmission baffle electric connection.
2. The antenna device according to claim 1, wherein the signal transmission conductor is provided with a tuning portion, the tuning portion is provided at a distal end of the signal transmission conductor, the distal end of the signal transmission conductor is connected to the sidewall of the carrier plate, and the tuning portion is perpendicular to a side edge of the signal transmission conductor, the tuning portion is configured to tune a frequency characteristic of the chip antenna, the tuning portion includes an insulating plate perpendicular to the transmission guide plate and a tuning ground plate connected to the insulating plate, and a distal end of the tuning ground plate is grounded.
3. The antenna device as claimed in claim 1, wherein a fixing groove is formed on a side of the chip antenna facing the carrier board, and the radiation conductor unit is disposed in the fixing groove.
4. The antenna device as claimed in claim 1, wherein a buffer member is provided on a side of the free end of the signal transmission conductor facing away from the chip antenna, the buffer member is made of a spring set or a hydraulic buffer, the buffer member is used for buffering contact between the transmitting conductor unit and the transmission guide plate, and the free end of the signal transmission conductor is electrically connected to the chip antenna.
5. The antenna device according to claim 1, wherein a carrying pad is disposed in the area of the limiting portion, and a ground conductor is disposed on a side of the carrying pad facing away from the chip antenna, and the ground conductor is used for balancing a level of a bottom of the chip antenna.
6. The antenna device according to claim 5, wherein the ground conductor includes a body and conductive pads respectively disposed at two ends of the body, and the conductive pad on the ground conductor facing away from the position-limiting portion is connected to ground.
7. The antenna device according to claim 6, wherein a plurality of the ground conductors are provided on both sides of the signal transmission conductor, and a line connecting bottom center points of the ground conductors on the same side is parallel to a side of the signal transmission conductor.
8. The antenna assembly of claim 7 wherein said conductive pad has at least one stabilizing hole formed therein for stabilizing a voltage on said ground conductor.
9. The antenna device according to claim 1, wherein a conductive pillar is disposed inside the chip antenna, a first level pad is disposed on a side of the chip antenna facing the carrier board, one end of the conductive pillar is electrically connected to the transmitting conductor unit, the other end of the conductive pillar is electrically connected to the first level pad, and the first level pad is electrically connected to the signal transmission conductor.
10. The antenna device according to claim 9, wherein a second level pad and a third level pad are further disposed on a side of the chip antenna facing the carrier board, the second level pad and the third level pad are disposed on two sides of the first pad, respectively, and the second level pad and the third level pad are electrically connected to the coupling conductor, respectively.
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| CN201711174494.5A CN107706500B (en) | 2017-11-22 | 2017-11-22 | Antenna device |
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| CN201711174494.5A CN107706500B (en) | 2017-11-22 | 2017-11-22 | Antenna device |
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| CN107706500A CN107706500A (en) | 2018-02-16 |
| CN107706500B true CN107706500B (en) | 2020-04-10 |
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| CN209150295U (en) * | 2018-12-03 | 2019-07-23 | 易力声科技(深圳)有限公司 | A kind of dipole antenna of couple feed |
| CN110943287A (en) * | 2019-11-18 | 2020-03-31 | 深圳迈睿智能科技有限公司 | Microwave detection module and manufacturing method thereof |
| WO2022185874A1 (en) * | 2021-03-02 | 2022-09-09 | 株式会社村田製作所 | Antenna module and communication device equipped with same |
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| CN1417888A (en) * | 2001-09-04 | 2003-05-14 | 皇家菲利浦电子有限公司 | Circuit board and surface mount antenna device on it |
| CN1614817A (en) * | 2003-11-06 | 2005-05-11 | 三美电机株式会社 | Antenna unit |
| CN102834967A (en) * | 2010-04-01 | 2012-12-19 | Tdk株式会社 | Antenna apparatus, and wireless communication device using the same |
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